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HomeMy WebLinkAboutNCG130090_COMPLETE FILE - HISTORICAL_201902262 IV NORTH CAROLINA Department of Environmental Qual STORMWATER DIVISION CODING SHEET NCG PERMITS PERMIT NO. /V C& J 3 �o-O D DOC TYPE 1� HISTORICAL FILE p MONITORING REPORTS DOC DATE ❑ c2 lq i � D a YYYYMMDD DUKE Duke Energy ENERGY, Buck Combined Cycle 1385 Dukeville Road Salisbury, NC 28146 February 26, 2019 North Carolina Dept. of Environmental Quality Division of Water Resources - Stormwater Permitting Section Attn: Ms. Annette Lucas 1612 Mail Service Center Raleigh, North Carolina 27699-1617 N 3 o g p C5� (0*"F IN,/ ml Subject: Update to Notice of Intent - General Permit PV-S-138990 EAR 12 2013 Buck Combined Cycle - Ash Beneficiation Project @ Rowan County �NR'LA`iVa QUALITY � NWATER PERMI l f 1NG Dear Ms. Lucas: c4vly- � u�c�-� Duke Energy Carolinas, LLC. respectfully submits an update to the November 12, 2018 Notice of Intent for applicable permit coverage under the General Permit NCS 130000 for the Buck Ash Beneficiation Facility, located in Rowan County at the existing Suck Combined Cycle Station. Enclosed is the following supporting information: 0 Facility grading plan 0 Stormwater collection pond and final outfall We appreciate your attention to this request and look forward to finalizing the General Permit NCS 130000 for the Buck Ash Beneficiation Facility. If you have any questions, please contact Ms. Elizabeth Glenn (980) 373-0530 or at elizabeth.glenn@duke-energy.com. I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations. Sincerely, Henry A. Botkins, Jr. General Manager 11 Buck Combined Cycle Cc: Mooresville Regional Office, DEMLR Stormwater Program USPS Tracking Raleigh: 7018 0040 0000 0302 4498 / 9590 9402 3857 8060 1486 17 Tracking Mooresville: 7018 0040 0000 0302 4504 / 9590 9402 3857 8060 1486 00: s A B G D E --- F - G H 2 B TD D Ds TD ms uD PLANr SCALD IN FEET �I 81 $I SI 81 SI 81 81 SI 81 81 SI 81 81 81 $I 81 81 I I I I gl $nl �I gl gl gl 131 8 8 c 8' S' 8 R 8' I 8� _ zl zl zl zl zl zl zl it z z4. - z1==- zl zl ZI zl zl zl zl 8� ,//_'�; ;, e'''%��sl'' - zL-------- I %" ,7 E 51 oD o0l I I I I I I /I "____--- 11 __-___ _L I I I -I,___ _ J.i'�^p,��'" -----------•---------•--------- -- I i I -�� ---------I---------- i--------- i-------------'-----•-'- - ---____ _------_-_ � ---•.--_ -----•--------- '-------.--- ._.__---- --------'--� ____r___=- _'s t``�p-______-____ Ir -__ I I I=� - - _- --=3-=c'-=-= '-! ----- __L- __ ----�--- E sooD.DD� __ --- ---L----- - _ .ic:a ------------- I�Ztiv-- i- - _------- _ _---_ `_'=:-;S ' _ r-r- .r-- r--��__�__ "_ - - fcz=-=7--�-=t= J _ - r I i I r;aEl I V- ----'-- h- E asaD.oa� - ----�---- -- ---r e`_=_3'-_ ""'4=fit==== 4-�_=`--.x92 g;—_rnn -- ,R., i i I �; - hiT: � ��a �_ ==3= -`- ,•.v.-'`.e I '� +� �� '.I''r''/�( rnl _ L-'s,r.n I � \ I -_-•i._- ri.-'t. '.,a. :�•��b', �' '�`, '�"'r r �' �_� 4 t: ,r;n ''i' Stormwater _ _ outfall Y ; , 0 'I ' '- ;S,_, _ \�(,�,�. 'a;,,,,`L ,•. .. ... .. .. ..... ti:.: In I rr �f ``{ti�� --- --- - zr. T •\'. - r I /1 _ _ ..t. t- -f 3 - EoSDo.DO J_66 .- r , 000, _ _ �c'N�i I .1 __ _ _ - =G--_- -L_ l { hr'!-- �' 1 ♦ \ ; I _ V _ _ y, ` _ 'v '-0�,-O,�I:r'a y..v+;sA IV o',o�";o' t, Cz-B~T�Ii, r ,1G1�1L._DF?- ____ -___- }G �3, _-I- - -- 1 •_ ___ EuoDou1' , �` 4. ,--- �r' `}'.''„" I - •7- �_- I --"- z z z z-- '4'�?r - - - - - _ _ _ - - PLAN CONSTRUCTION SEQUENCE GENERAL NOTES CONSTRUCTION STAGE 6 1. FCR REFERENCE DRAWINGS SEE SHEEr DI, 01 ESTABLISH FINAL SURFACES. LEGEND R) CONVERT SEDIMENT BASIN TO PERMANENT WET POND - - - - - EXISTING CONTOUR LINES--'fli- - WETLAND DELINEATION q CONSTRUCT FOREBAY BERM. PROPOSED CONTOUR LINES - WETLANDS .) INSTALL VEGETATION ON VEGETATED SHELF- -'_'W;- UVERHEAD WIRE L J SEEDING All REMOVE BAFFLES AND SKIMMER AFTER FDREHAY BERM +F BENCHMARK - ITR - • STREAM ALIGNMENT AND VEGETATED SHELF ARE FULLY STABILIZED- e---,r CHAIN LINK FENCE SEFP DRAINS N} CLOSE VALVE ON MAINTENANCE GRAIN TO ESTABLISH PERMANENT POOL TREE LINE fA57 IN PLACE OUTLET STRUCTURE S) WITH APPROVAL FROM DIME ENERGY AND THE N MONITORING WELL `,l CATCH BASIN r MANHOLE (NCDOT 94D52) ea DUKE WSPECTCR. REMOVE TEMPORARY EROSION AND SEDIMENTCONTmOUNDERGROUND STOFiMWATER PIPE (GROPE) VEGETATION 13 ESTARESBLISHED AFTER FERMNJEM DISTURBED RE OR � rM+ POWER POLE - � lIN VEGETATION Bi ESTABLISHED tN ALL DISTURBED AREAS. 9s PROVIDE GROUND COVER WHERE TEMPORARY MEASURES HAVE F (� UGHT POLE r SEDIMENT SAS. BEEN REMOVED AND GROUND COVER IS NOT ADEQUATE. S _ {� FIBER OPTICS 'Rolm, 'ENERGY, MAR 12 2013 —.F51 FIs ER OPTICSLINE EXISTING RIP RAP S -IJGE— UNDERGROUND,ITILJTY BA13-1643MO-C-300 16 UNDERGROUND ELECTRICAL 7 *`OENR-LAND QUALI V o 0 0 3:I SLOPE (MATTING REQUIRED) SEE DETAIL ON sm ZACIHRY 5,TORMATER PERMIT iNG ® SITE PAVING RIP RAP r : CONSTUCT70N ROAD STABILIZATION DEPTH) w'�,[�n bn 1e nOo06��. `.icaw0.0 6•ABSSTONE ,,. E'Oib�••"•••��itOOrnve. ee..meiw°�"..��na= ��� "o�.wnrt[x:.,vmiia.=.c•.w,a,4.. etv..-r�.rvwmnr r.uaur,�. . �OpvE 5 U ��ti"• o +f•..f DUKE BUCK BENEFICIAL ASH WORK CONSTRUCTION SITE STAGE 6: REMOVAL OF PRELIMINARY ISSUED FOR PERMIT `_`- E & SC MEASURES; PLAN FINAL CONTOURS %2y �'YG NE6Y`' ED9C+UEL �, SCr,�ro� �Luq�' ,A HMSuS ..!.. APPLICATION ONLY '•.,'°�o,I-�- �/13�2nT8 E-D00783b-STW500000 16 C p E F G B A C O E F G Fi w 2 3 14 3 B 7 e 70 _ 0 35 TO 103 140 SCALE W FEE- gl $I SI $I 8# �gl 81 gl g3 I I I I I IS' 8, SI �I al gl gl zl zl zl al zl�I xl al zl zl,- ___--- _�-_ - ._ zl zl it zl al zl zl $L '`zl- -zl - zi _ ._.'_ _ _It 8 `--I- -1-- .. _ _E, _ -1 - '.`�' "'••:k'. --'_(. - - -I- - _ LOP•. �1r76 LtK7 - L `'lGD ' � `•= GArE� I I ---"--__•,- f_- _ _I__-_-.• ,_' I T I ` tx i - 71 I g'.-_7 {,�,. -•INU AI fT _r:33�- _ 9=,.----_s... :..?__ '• "` •F 3^:. t 1 HVWE t,' r R'R^P I I -- -. -._,.k _ �"-__°a-r{r • (TO REMAIN UNDISTURBED DURING PHASE 2 i �`-�Q°' ---•- - � I I f3- /I I z. I- c' I I RIP RAP /_� • q0 / , `•, 11 I g aa°D.9B -- -----, - .Y - , Stormwater outfalI 1 _ INN MMWWM�PHASES 1& 3 OVERLAP .nag _ems •a.. :Y {'. r- .i-�i I �7I - '• `_SIN"r �B - j'T ` it lta�-T7 rJ< •sc _ � _ _ 4fi7160, E *��.� w1` t, "REMOVE SILT FENC� �`�• . _ "mot - _ _ _ E a3GO ll $COMPOST SOCK •, I •.. SF -- 5-C CMDP _ SD 'S 1. TO HEADWALL, . ~•'.~`� - • i _ -k=, ~t;, .. I L�r alDaL vrr DDTLET, .I � k 1211 - J _ . �' .N1NBI.N —•E a5118.� EaB�.�• _ -"``a , sill ASrlt9• �e -.��� .� - i . . Ir I I 'It � E 4828.54 . -�• ��, � � ''� N 11946.33� I - �I FXTENQ SILT FENCE TO; -._`, y ICFiOPE_� E J_�_ .� - _ -- HITADWALLl-: - ? _ - _ l :.3... P~ EAE17Jta c AaF I SEE NOTE #] �1.B91- NSTALLWATTLE BREAK •�. _•" ` w 4 �J• i�+`J I ]. ON CONTOUR S•-0` _ _ _ ,� y` I , DETAIL a t' . RIP RA'LINED- ��\CHANNEL SEE. �' ~,i; �. I - i _-1 _ 1� arR.^, -I' . DETAIL ON S12 E aTBD I 9fl __--.-.-. -_ \\ �•_, r _ ,Izmw,Lx.clm ADJUST SEDIMENT FEKCE AS i.MOWN ON THE PLANS. B) CONSTRUCT BYPASS DITCH AT WEST SIDE OF 01AKEVILLE ROAD VATNION ME LIMITS OF THIS PHASE AND INSTALL SKIT FENCE AT CUTE ALL AREA C) INSTALL TEMPORARY ONERSKNN ON THE EAST BIDE OF THE SEDIMENT BASIN AS SHOWN ON THE PLANS. DI PERFORM GRADING AND IMMEDIATELY STA13ILRE AREA NORTH OF THE TEMPORARY DTVEASION TO THE OUTFALL AREA, EN CONSTRUCT ATTENUA770N BASIN AROUND OS02 ON EAST SIDE OF DU%EVBLE ROAD PER THE FQLOWING SEQUENCE 9 EROSION CONTROL, GDPISTRUCT STRUCTURE SO THE DISTURBEDAREA IS WWII IIED. UIVERT SURFACE WATER AWAY FROM EARS AREAS. STABILIZE THE BASIN AND ALL AREAS OISTVRSED IMMEDIATELY DURING CONSTRUCTOOF} OF THE BASIN AS INDICATED ON THE PLANS. III SrTE PREPARATKINS CLEAR, GRUB MID STRIP TOPSGIL FROM AREAS LP"R THE EMBANKMENT TO RFMGVE STUMPS. VEOETATiON. RLV TS. AND OTHER OBJECTIONABLE MATERIALS DELAY CLEARING THE POOL AREA UNTIL THE EMBANKMENTM COMPLETE AND THEN REMOVE BRUSH, STUMPS, AND OTHER OBJECTIONABLE MATERIALS TO FACIUTATE SEDIMENT CLF.ANOUT. WI CUT-OFF TRENCH .EXCAVATE ACTT-0FF TRENCH ALONG THE CFNTERLINE OF THE EARTH FILL EMBAAIKMEN'r- CUT THE TRENCH TO STABLE SOIL MATERIAL. BUT w NO CJLSE MAKE IT LESS THAN 2 FEET OEEP. THE C,N-0FF TRENCH MUST EXTEND INTO EOTN AB1rTMEIJTS TO AT LEAST rm ELEWATIDN OF THE RISER CREST. MAKE T14E MINIMLAA BOTTOMWIDTH WIDE ENOUGH TO PERMIT OPERATION OF E%GVATKMN ANDCOMPACTION EQUIPMENT, BUT IN NO CASE LESS TWIN 2 FEET, MAKE SIDE SLOPES NO STEEPER THAN 1:7. WFTHAPPROVED FILL MATERIALCONSISRNGOF CLEAN MINERAL SOY_ FREE OF ROOTS. W VODY VEGETATION. ROCKS. AND OTHER OBJECTIONABLE MATERI SCARIFY AREAS ON WHICH FILL IS TO BE PLACED BEFORE PLACING FILL PLACE FILL MATERIAL IN 6 TO B INCH LOOSE LIFTS OVER THE ENTIRE LENGTH OF THE FILL AREA AND COMPACT TO BB% STANDARD PROCTOR DEN5TTYAT It 3%OPTIMUM MOISTURE CONTENT. FI PERMANENTLY PLUG AND ABANDON IEUSENG l2' CULVERT AS IA411C.A.SIboNITRAWING. RUNOFF WILL BE RGUTE.D TO IMPROVID E%LSTFNG CHANNEL G) MIRRDVF FUSTmG CtiIWNEL DN EAST SINE OF DUKEVILLE ROAD AS INDICATED ON DRAWw _9 WORK DGNMSTREA 1 TO UPSTREAM AND INSTALL GEOTEATILE FABRIC AND RIPRAP IMMEDIATELY AFTER GRADING H) PARKING STALL LOOARHEAST TEMPORARY CONSTRUCTION ENTFLANCE FOR INSTALL WATTLE BREAK I INSTALL COMPOST SOCK -__•__, ',I•�,. I '-I' - I- 417 RCMP ON mL wnR g_,v CHECK DAMS DU0.w0 - . IITM • 91i.3T `�-. I ` l , ` .GRADING AGTMT7E5 SCE DETAIL ON DO$REMOVE tNLETL+i ` ,d _ IRE•-,;•. r," ;d••. L�4 [ PROTTCTION \A - ijj;,,F_ I' INVs 736- KD.e,TuertoAo i i - L •LDD _ .- ,rrJ.,LvieiERL:Ay - � *•""T- -�-` I GROUT FULL AND ABMNDONI � I CtlNSTPUCT-LN-1<TEANCE I- ,. I _ N�`y _] I - - _ _ _ mil_ - _ _ 1 i _ ------ PHASE -:.P0.0TECT7glLSEE - -- .- _ �,_• - __ - 3 _ •�DEINL GN SIz -i _ � 1 _ •I I - .:.• E/50058: 1', ii. III , • ., .jy,, .I TO REMAIN UNDISTURBED DURING PHA SE 2 3aa• x f :�i FUPRAr JNED SEE NOTE #5} �,. I ' CHANNEL SEE � � 8 . - l ` } , • , � Ii� 1 I I - II� :SEE K BAFFLES 1 N1D4197a 'I {._ _ lY•. .,, , _ _ E YAR ON SI2 E44391tL ;5+'"rb`b "_ �' � s' • sr- ,�� �, wLOD i. '>� •LOD' - I yL i _ 1 - _ 1 � _�:.--`- _ I_, GENERAL NOTES < jf' Pd ♦:�'` `' , ,o.� L FOR REFERENCE DRAWVIGS SEE SWEET 01. J'`, ,•/C,• I is �; I 4' I I `I _ .I -a'_ I ,^ 2. OUTLET STRUCTURES SHALL BE CAST IN PLACE -I.-,° 4; I •� _�^" I'�', I 11 PERVErNEEDDEscNDRAmNG3TDeEtssueDArA / - _ „ ° - • '� • LATER DATE '11a +� - -_ - ..7 �_ _�`r _ _- - -_ -____. _ -_ fr:• s. DISTURBEDAREAOUl SIDE SILT FENCE WAS •1• f-"BEENDTE s3 d- -L_�_ I` 8 .l' --U�______I -T�__�•'_-- 1- I REQUIVED FOR COMPOST SOCA 11I1STALLATION AND TREE Sif X, - - - - - OCCUR BEYOND S r FENCE.'T7DNA1 &ST1RffiAAICE SMWL ' • �„ �•+� ' _ _ _ _ <. AREA WAB CLEARED DI IN PHASE I BUT WI PHASE ... . - '-- __- � , I,I r ,, • -. _ -___ _ HAVE ADDITIONAL DISTURBANCE UNTIL PHASE3ESC APPROVAL LEGEND 5 NO GRADING OR EARTHWORK DESIGNATED AS PHASE 3 N ACCEPTABLE UNTIL. PHASE 3 COMMENCES. AREAS _ _ _ _ _ EAII CONTOUR LINES -CS- COMPOST SOCK BARRIER MAY BE STABIUSED OR. FMPROVED ABOVE THE GROUND SURFACE LEM USING AQ�GATE /L -LOO- LINK OF DISTURBANCE - --E- DITCHLwE C,7ECK DAM FOR CONSTRUCTION EFFORTS AND MNMIZE TO ALLOW PLAN DISTURBANCE. ADOEHOUAL BMPS WILL BE ADDED TO -01 - OVERHEAD WIRE •- WLI-- WETLAND DEkINEATION SUPPORT CONSTRUCTION AND SUPPORT EFFORTS, ANY AREAS DAMAGED FROM CONSTRUCTIO9 VEHICLE Ai BENCHMARK WETLANDS MOVEMENT, WTERIALN EQUIPMENT STAGING INSTALLATION OR MAINTENANCE OR ADOITIONAL BMP. - CHI LINK FENCE I��. SEEDING OR DITHER CONSTRICTION SUPPORT SHALL BE STAB LUMD TREE LINE -TPF-- TREE PILOT ECTION FENCE M MONETORtNGWEt3 -STR-• STREAM ALKIMIENT l• POWER POI E UNDISTURBED AREA WITHIN PROJECT BOUNDARY saAO/CA I �TYIi LIGHTPOLE (jIll SEEPORAINS FO FADER OPTICS-5;- SILT FENCE ! U KE -FO- FIBER OPTNC9 LINE �'SV�Y WNSTRUCT4DIN ROAD ENTRAEVE NCE {/` -gjQF_ UNDEAGROUNDUT S.m ❑ CAST IN PLACE OUTLET STRUCTURE � ^nw � 0 UNMRFATNO OMELECTRICµ O CATCH BASIN I MANHOLE INIW CDOT 9.52J L` m-% 7' - TPf - TREE PROTECTION FENCE --- ST-- UNDERGROUND BTORMWATER PIPE TCHDPEI PHASE 3 (TO REMAIN UNDISTURBED DURING PHASE 2) {few SEDIMENT BASIN BAR-16438-00-C-300 08 PHASE 14 3 OVERLAP 40 __-IF_ DP_-IFRAP &,SL.GPE(MATTMYG REGAIINEOI SEE DETA< ON so -VIB- WATREBREAA ZQCHRY PROPOSED RIP RAP a SILT FENCE DUTLEI COF75TRUCTION ROAD STABILZATION(V DEPTH) DUKE BUCK BENEFICIAL ASH SITE WORK - CONSTRUCTION STAGE 3 DRAINAGE SWALE & ATTENUATION BASIN GR I-. G p725 AND E & SC MEASURES; PLAN ��FA'DINEF-e'`•, ,•• ,e, ', uvYIA LCW[2 TACiuPCA Fp LA+C �� ,Man-_ "ra m 2 3 4 5 6 7 R C D E ri G A B C ❑ F G H in 2 3 4 5 6 8 7D 0 35 TO 105 tap SCALE W FEET gl gl gl gl gl gl gl gl $t gl $9 1 �I gl gl gr gl gl I I I gI It 'gI s• s• i �i =i Zj Zi �i Zi Zi =i zl.- xr =j =I ZI zl ZI xl ziij.i}e zl i, xi -i -j�!'••...'',,i'. •' •- -i-- 1 1 1 unp_� YI-'� I I I _ _•-I_ _ _.I ___ __ __ _I__ __ __- .•.,� .1•'`4'T;-_s:_.1___ _ '- CI 1- 5 i ' . + L tiLOD JUDO • LOO-' - -LCO rLOD SILT FENCE OUTLETS `T `•T• . 1 .: ATALLJ.HOOK5 - I _ I,..'-.•: I .�} I -_:7 aNL -i WVFi IiLw, I rrP ivLa J - f - _ {Lc RPRA _ _-90 I - : I PHASEf9 \ i --: -:_ -":i we�. (TO REMAIN UNDISTURBED DURING PHASE 2 i N P v- P ' - i' E 4Bp0:1]p�_____- F � I `{ F gp;? __f�, GRAVEL RGAP. _ _ _ • +' ' a ' t ---. --.: ,5`.� 1TO Be RF�tovEn� 1'• CQ4FIRM UNDER IRWNO I I'%a:s'y r _. �. µ{ ` 4 7 n "_`F"'' L2.65 -."� �' •`i AF N-11204,89' 5 uT1LITIES HAVE, LOD I I `--_•I___.r_=.•''1.r.y�_.aw'U"'`rJ Ea1/8 �53t 1•;/ I_ EIB$4.62' •Id'WSTLI .. REROUTED AND ABANDONEQ I I h HA 1 ; N 1122951 E a827.37 J' REANOMED) RIO 6 REhWFEO \ '• E4777.8E 1• E 484p 00 86 - - - loll _ L �Tnx1•T OF 1)CH WITH J-HDOK I 75 'C-0N57rtUCTION • I T'',•'J' • , - _ _ - _ . E7$3 FENCE BNTRAIHCE h + • EIBSTNGFENCE. %' �••yrT [-+rr.-,rt _ _ _ 5 i g, REMOVAL AT LOD_ I Ir rXTNCRETF I 1 Y' - PHASES 1 qI 3 ©VERLAP - -.I -'_ "_ �' I AT VMD' N `11197AB • 1' RETAINING WAIL - _ - (10 BE REMgVE01 \ \ \ ` \. \ �. 'C S -I `� END FENCE REMOVAL` T wv�BSB �EiTY2a7 �. F'r I iLTO�AEM0IEPI_Y 1 1 -1 _ _AT I - - I REMOVE dICM49NE CHECK •!•6 CAI' - - LOD j- _'L • _'+LV 3u..Ef � "y _`'STOP SILT FENCET -� Nn40B.i1 _SHORT OF DITCH\\ _ Eifil978 G1TE •,1 ./. _ L�.WITH J-HOOIt AT END 6 b, LL -` N 115i8.8D-1 . I HEADWAIL N 11281 78 ���p• +•_.-_ 21•MINj' - b �E43935j��- SIOIIT�Water OUTLET(D"•AILON9nON I@ Sr \ • '� `SEE DETAIL ON 17 'I��\\ggU00 �S• I ' .Outfall • :SILT FENCE dJTl-ET:N 11476.00 �I • ,� SF , f� �� �• E 459291 'ate IN I EL 57.00 ^� + � N 112A2,15 E N50p 00 _♦ ' 'N �E 4524.43 a_ _r-.`_-_._:•E1583 �69 ,•�+5' '��I\NJ EL S1 p� I N 116 ; PROTECT E" .i515.2• DETAIL pI I ' J•HOOK WIOUTLET •✓ 2, ' IN11345.30 -I t P • ,� I SEE NOTE J ..l_�_SlR__- •_ ;1• i;;'rti♦ N113WD0"N 1177349 _ 'd". E442E t_4 E4AtD.f10 ' SILTFENCE_ -. W _ -._. \ �N112" 123311 -. N 11200 00 --J E A331.91 CONSTRUCTION STAGE 2 Sa •.•�- t.� I-S LdC' `• 'Ll--' �NPnOTE-crwN••,'�,=G_`xn. DAMS IN WORK AREA _ j - _ -�. i -r.,• .r: a: .7i. .�; j 'ai - t i {� g i� i -_ - -_� _ - fo 1` Lw.•. nlrn•' :1 R 1 -ULOp. _fix-=r- I�- _ I_ _ -_r •►t 'I!,•* `I. _'1 _ _1 'R•f.l e.f .a I_ 1r9CTRJPE4-.ItN.s7A.� �+4• - ---'L13O •� . atY OLO =��. �. _ --- `-- --- - - - ---- -_-_ -+ - - -1-� - .- _=C•_ Wit:• -_ -_ -_ ,L -- � SUDp`••• " EN TRANCE - • � ` 20 � i Go N t,07015 _ " JO.O T -_ E i5655T T2' D LHDPE , N I; Ip7.?3 T3 N 1127b 7B _ - - ': • E i605 82 �5W,B3 N 1118 20 ' N 117202 { j-Ea598 2 Cfl5. 111 ,rr, ."Da 25- 5F - n., a7.ITw N f (f Pf 2YI �J�ffJ 11 f-0• k' I iiffiiff s H 517NT 86 N 111a1.76 J E i553.95 I N tISIp.lB/ BOTTOM OF E 4573 806� 9 PUMA EL N'-0- �T' � J SBT FENCE- ' OUTLET NiliA378 SLY FENCE `41095E 11J ye•� E 4303.25 OUTLET E 12" 43 N 11100.00 N 11p49.53 E 4257,32 E 4281.87 SM­ A) INSTALL PERIMETER SEDIMENT FENCE INSIDE OF COMPOST iI EMBANKMENT -BEGIN CONSTRUCTION OF THE EMBANKMENT SOCKS AS INDICATED ON THE PLANS ON THE WE5T SIDE OF WKEY LE ROAD AND ALONG NORTHERN PERIMETER ON WETH APPROVED FILL. MATERIAL CONSISTING OF CLEAN MINERAL SOIL, FREE OF ROOTS, WOODY VFGETATON, ROCKS, EAST SIDE OF CUKEVILLE ROAD AS INDICATED ON THE PLANS AND OTHER OBJECTIONABLE MATERIAL. SCARIFY AREA$.ON WHICH FILL IS TO BE PLACED BEFORE PLACING FILL PLACE B) INSTALL TEMPORARY CONSTRUCTION ENTRANCES AS SHOWN FILL MATERIAL IN 8 TO a MI LOOSE LIFTS OVER THE ENTIRE ON PLANS. LENGTH OF THE FOOD, AREA AND COMPACT TO 90%STANDARD PROCTOR DENSITY AT t 3%OPTIMUM MOISTURE CONfTENT. Cl CONSTRUCT THE SEDIMENT BASIN INCLUDING OUTLET STRUCTURE AND PIPE A5 SHOWN ON THE PLANS AND PER .I CONDUIT SPILLWAYS- INSTALL OUTLET STRUCTURE OS03 AND THE FOLLOWING SEO1EN CE: ATTACH THE PIPE DING WATERTIGHT CONNCCTIONS PEA THE DRANRNGS AND PROJECT SFECIF"TIO`IS AS EMEMSW ENT IS EROSION EROSIOCONRROE-CONSTRUCT 5TRUCFVRE SO THE BEING CONSTRUCTED. IN NO CASE SHOULD THE PIPE CONDUIT Of5TURBEDAREFTSMIN MIZED. DIVEST SURFACE WATER BE INSTALLED BY CUTTING ATHENCH THROUGH THE AWAY FROM BARE AREAS- 51 ABI THE BASYl AND ALL EMBANKMENT AFTER IT HAS SEE N FULLY CONSTRUCTED. AREAS p6TU.'I IMMEDI DURING CONSTTfUCTION OF BISPECTED AND TESTED FOR REQU1/LEO COMPACTION THE BASIN AS WDICATED ON THE PLANS, 9j SITE PREPARATIONS - CLEAR,CROS, AND STRIP TOPSOIL wj EMERGENCY AAM ILCOMPACDON OF FFMATERWL FOR THE EMBANKMENT AND FROM AREAS UNDER THE EMBANKMENT TO REMOVE STUMPS. EMERGENCY SPILLWAY. VEGETATION. ROOTS. AND OTHER OBJECTIONNASLE MATERIAL, DELAY CLEARING THE P00. AREA UNTIL THE EMBANKMENT TS O) REMOVE EXISTING FEATURES IN ATTENUATION BASIN AREA OH COMPLETE AND THEN REMOVE BRUSH, STUMPS AND OTHER LAST SME OF DUKEVILLE ROAD AS SHOWN ON THE PLANS OBJECTIONABLE MATERIALS TO FACILITATE SEDIMENT CLEANOUT. w) CUT-OFFTRENCH- EXCAVATE A CUTOFF TRENCH. ALONG THE CENTERLINE OF THE EARTH FILL EMBANKMENT. CUT THE TRENCH TO STABLE NOTMATERIAL, BUT IN NO CASE MAKE IT LESS TFLAFI 2 FEET DEEP, THE CUT-OFF TRENCH MUST EXTEND INTO BOTH ABUTMENTS TO AT LEAST THE ELEVATION OF THE RISER CREST. MAKE THE MINIMUM BOTTOM WIDTH WIDE ENOUGH TO PERMIT OPERATION OF EXCAVATION AND COMPACTION EQUIPMENT. BUT IN NO CASE LESS THAN 2 FEET. MAKE SIDE SLOPES NO STEEPER THAN 1:1. - GONSTRUCTK)1N . _ _ x -1 - t ENTRANCE • I _ _ _ _ I - I r ------------ PHASE �\ �r•.v 3DDpoB , , \\� (TO REMAIN UNDISTURBED DURING PHASE 2 > r . {--",• •' ' . IIYIIISI}k I }N)OKW?OUT ,E\1T 44r3 97 N 1W798.13 . a E 4451;99 r I R2y0 M �a .lam\\\ L E - • Y .. ' i. $ �Sr \�\\\!\]�s� IUD LVD-• • I I I I .`,,+`4' ___ 4ti1___,_I. -_ �t•._ --•_ K _ _ __y_____- -__1_.__• __1_._-_ E.°;`°s°_ L 'H; _aD oi6i SEE NOTE 13 �� ♦, b � ••I• •'.�:E M1E.S4 • __ >•1: ,'t..i'... .I I' I 1 _ - _ .I- _ I- .- --1== 1 XV, '}: !�' = I1.I` Lr -I - I -- - _ 1- Fri)' 1. 9 :•'' - ADllA57 EJiISTINO T - CF Nip$ . $.� IN TOB0000 'SOCKS AS NFEOE4 FOR E43a9.08 `YNSTALLXTIDN J+IDp( �WI OIIRET �•- -._ _ -" _ e.•+- a - - ____ _____ , J+IOQKLEGEND GENERAL NOTES C L 429326 - - - - - EXISTING CONTOUR LINES C': - COMPOST SOCK BARRIER I. FOR REFERENCE DRAWINGS SEE SHEET 01. -LOO- LIMIT OF DISTURBANCE --i- DITCHUNE CHECK LIAM 2, OUTET STRUCTURES SHALL BE CAST IN PLACE PER PLAN DeTAILED DESIGN DRAWONGS TO BE ISSUED At A LATER OVERHLADWIRE -WD-- WETLAND DELINEATION DATE. BENCHMARK 'L _ '._..J WETLANDS 3- DISTURBED AREA OUTSIDE SILT FENCE WAS REQUIRED FOR COMPOST SOCK INSTALLATION AND TREE CLEARING -�--•.- CHAIN LINK FENCE - - - TREE PROTECTION FENCE ONLY. NO ADDITIONAL DISTURBANCE SHALL OCCUR BEYOND SILT FENCE- -- TREE LINE - STR• • STREAM ALIGNMENT 4. AREA WAS CLEARED IN PHASE 1 BUT WILL NOT III F. ;a MONITORINGWELL UNDISTURBED AREA WITHIN PROJECT BOUNDARY ADDITIONAL DISTURBANCE UNTIL PHASE 3 ESC APPROVAL. n POWER POLE .. SEEP DRAINS .00.c.na.• ae� S} LIGHT POLE -SF- SILT FENCE C4 FIBER OPTICS CONSTRUCTK3N ROAD ENTRANCED U K E -FO- FIBER OPTIC LINE [] CAST RN PLACE OUTLET STRUCTURE �� R UINOERGROUND UTILITY -ST-- UNDERGROUND STORMWATFII PIPE LCHOPET ` n{(/ _OG-_ UNLOERGROINiD ELECTTi1CAL' 0 SEDn�MBASUI �.+ E N ERGY. ® W7ASE3(TO tTEIA4N UND15TVRBED OIIBNG PHASE 21 2. xP •-•-••••-a ... ® PNJLSE1A30VEmm.0 '''" EJ�'FN6RiUB-1643300-C-300 d7 3 SILT FENCE OUTLET fCaaHORNATE GTVEN BA PFiiDPl75EO AS, PAP � IS CENTER OF OUTLET) PIPE INLET PROTECTION ZACHRY A ROCK PIPE INLET PROTECTION m 21 31 41 6 7 DUKE BUCK BENEFICIAL ASH I s SITE WORK II CONSTR STAGE 2 - SEDIMENT BASIN GRA13ING AND E 8 SC MEASURES: PLAN A B %N D i F G 9 E-DO07836-STWS00000 A B C D E F G H FIRST -CHAMBER 251A 4-0` MAX SPACING_ OF SURFACE AREA INLET ZONE 2511 TYPICAL I OF SURFACE AREA SECOND CHAMBER 25% NOTES. 1 OF SURFACE AREA 1. URNE I'll- STEEL POST AT LEA5T 24- INTO SOLID GROUND. OUTLET ZONE 25% SEE BAFFLE DETAIL —� O OF SURFACE AREA AND VERTICALLY 2. USE STAPL ESE APART HORIZONTALLYTO TO ATTACH THE FILTER FABRIC TO THE WIRE FENCE, -VIDE Ou'' SEE PLAN I { F2ph 3. MINIMUM BAFFLE BPA..G IS 1U'. _^ (�Q 4 F1-�1y BAFFLE ELEVATOR THE FLOOR OF THE BASIN IN THE CUTLET ZONE AND BS ERMSHOULD BE SEEDED WMEDIATELY AFTER THE BASW IS CONSTRUCTED- 11M REINFORCE SLOPE ABOVE V \ 1 5. POROUS BAFFLE MATERIAL SHALL CONSIST OF MI _ c 54 -- —� O Q p Q Q CULVERT WLETA%ITL£T WITH SAME SPILLWAY RIP RAP DETAIL I / T OUTLET DITCH 7'A'STEEL POST l0D GftwW ARE METER COIR EROSION BLANKET MEETING DR EXCEEDING THE FOLLOWING SPECIFICATIONS: ,Q q p 6 6I `JOO pp Z IT / / I FLOW _ A THICKNESS0 W INCH MINIMUM 6, WET TENSILE STRENGTH; 900 X Coo LBIFT ELONGATION- C. WET ELON69% BY 3{% MAXIMUM �Vy�L/�� �$ \!j-�}'[� O So000o (-�lQ 12 CLASS 2 RIP RAP PER PLANS THDKINESS•1.5.0— SI D • 1.5 ..D� 2 { EARTH BERM I ( 1 1\\ COMPACTED NSFILL AN 14 COMPACTED DENSE AND D. OPENwEr.A- 2U RI%MAXIMUARE YARD E. OPEN AREA. SU%MAxIMUM 4I Q �O y [0�•1{') FABRIC BURIEp IN TRENCH 1 fi_ PO1�ISPACED AT ABAFrUFS HALL BE SUPPO .11 MOF OUR FEET ALONG nl [T(} vQ�Q(y'T vljOO I A UGNMENT OF THE BAFFLE. STEEL POSTS SHOULD 'Q BE EMBEDDED A MINIMUM OF 2 FEET INTO THE GROUND. O h T. •9 GAUGE TE N WIRE TO BE STRUNG BETWEEN STEEL POSTSTS TO PREVENT SAGGING OF BATTLES H ISOMETRIC _L HIGH TENSION MIRE SHALL RE EXTENDED TO SIDE$ pF Q (LENGTH S OMlETER VARIES. BASINS OR ANCHORED AT SIDES OF BASINS TO STEEL POSTS, SEE PLAN} VARIES BAFFLE SECTION 6. SECURE POROUS BAFFLE MATERIAL TO HIGH TENSION fl ITCH BOTTpA 6 SIDE $LOPE I WIRE WHH PLASTIC TIES OR WIRE FASTENERS. THICK LAYER OF 1.5'DIA MAINTENANCE NOTES. 9. SECURE POROUS BAFFLE MATERIAL TO BASIN FLOOR MAINTENANCE NOTES: CRUSHED ROCK ON C GE FR AND 510E SPACES WITH 12 INCH WIRE STAPLE GROUND AFI 14 N APP MIRAFI 110N OR APPROVED EQUAL INSPECT WEEKLY AND INCH GREATER) ANCHORS SPACED AT1FppT, INSPECT WEEKLY AND AFTER SIGNIFICANT( ui INCH OR GREATER) L EVENTS. IMMEDIATELY MAKE ALL NEEDED REPAIRS RAINFALINFALRE RAINFALL EVENTS _ IMMEDIATELY MAKE All NEEDED REPAIRS 3 3 RE' VE SEPUAENT WHFN IT REACHES HALF THE HEIGHT OF THE BAFFLE RIPRAP IPROTECCTION OUTLET POROUS BAFFLE SECTION 13 'FOR PIPE Du SEE PLAN SW000 12 CLASS 2 RIP RAP PER NCDOT SECTION 1042 p,,=1I') 4 _ 4 SEE PLAN-IIII i Nllllil! 5'-D- `I AND WWRHORANGE TPI AND 9D' ELBpw I I I _ I I � B PVC FLOAT 6' HEAD ON CENTER INLET ZONE 25% T — - - - — -- 1 OF INLET µD ORTI CE FILTER FABRIC - MIRAFI t{DIJ OR APPROVED EQUAL OF SURFACE AREA INLET - WATER ENTRY UNIT - — - rY PVC FLOAT WITH TRASH SCREEN FL INLET -WATER ENTRY UNIT MAINTENANCE NOTES FIRST CHAMBER 25% OF SURFACE AREA I ALUMINUM STRAPS INSPECT WEEKLY AHD AFTER $1GMFICA (1R INCH DN GREATER: INLET FLOW R SUSPEND W G INLET INLET -WATER ENTRY UNIT RAINFALL EVEMS. IMMEDIATELY MANE ALL NEEDED REPAIRS $ SECOND CHAMBER 25% / (PIPE OR DITCH) WITH TRASH SCREEN MANTMN ALL VEGETATION ADJACENT TO THE CHANNEL IN A HEALTHY, 5 DF SURFACE AREA \ t VIGOROUS CONDITION ENO NEW EXTEND BAFFLES UP SIDES ' _ TYPICAL RIP RAP AS TD NOT AL= FLOW r LINED CHANNEL AROUND THE ENDS � OUTLET STRUCTURE TRAPEZOIDAL T-1-'STOHE - WITHFABRICrsr— —BAFFLE 13 MIN. TIP) BWI[fIKTEN$ION �UPPLIE GENERAL NOTES Q SOLDCVCBARREL OR ARM. 1, FOR REFERENCE DRAWINGS SEE SHEET 01. EMERGENCY !VC`/ SUPPLED BY CONTRACTOR SPILLWAY I �13' HOSE SS CLAMPS B ' / EADED MALE NIPPLE NIPPIE ON OUTLET END E B-GOUPUNG BUSHING 6 S' CH 96 FE/AN-E ADAPTOR li OF 6' PIPE MIN SIZE IS WALL 12-SMOOTH WALL TOP VIEW SIDE VIEW STONE ENERGY SKIMMER WI CLASS B STONE PAD _.r UISSIPATOR II. {' � V MIN] TETHER COMPACTED MMNTENANCENOTES, SKIMMER DEWATERING DESIGN CRITERIA EARTHEN DAM INSPECT WEEKLY AND AFTER SIGNIFICANT (1rz INCH OR GREATER) EV IMMEDIATELY ALL NEEDED REPAIRS. RAKE SUMMARY: SEDIMENT BASIN (r SKIMMER WI R' ORIFICE) MAINTENANCE NOTES: TION SURE VEGETATION N T HOLD THE SKIMMER DOWN I. MAKE SURE VEGETATION DOES NOT CLOGGED: CHECK TO SEE IF SKIMMER IS CLOGGEk; IF $O. REMOVE DEBRLS. PRIMARY SPILLWAY: CONCRETE FUSER (OSA3) Wl OUTLET PIPE (SEDIMENT BASIN) DRAINAGE AREA 18.>1S ACRES � DUKE INSPECT WEEKLY AND AFTER SIGNIFICANT (12 INCH OR GREATER) RMNFALL EVENTS_ IM/JECHATELYMAKE ALL NEEDED REPAIRS TAKE SPECIAL PRECAUTIONS DURING WINTER TO PREVENT THE SKIMMER FROM PLUGGING Vr ll ICE. BAS N 510RAGE VILI i Io.126 MI FEET iSEDINI 9A51N) "ml CUBIC FEET (ATTENUATION BASIN)' SKIMMERATTACHED TO BOTTOM OF RISER '/^•� E N E Rom/ Y 7 REMOVE SEDIMENT µD RESTORE BASIN TO ORIGINAL DIMENSIONS DEWATEIN MINIMUDEWATM INISS . MWR.NAIDEWATERING TIME: {E HOURS WHEN SEDIMENT ACCUMULATES TO CTIEiiALF THE HEIGHT OF THE 6 ORIFICE OE:WATERING TIME: 51,890 CUBIC FEET PER DAY I LL FIRST BAFFLE CHECK SPILLWAY FOR DAMAGE AND MAKE ABarNECESSARY REPAIRS PI ARMLENGTH', 6Pd�' �1 S X DEPTH) BAB-16438-00-C-300 12 2 ' SKIMMER SIZED TO INCLUDE ATTENUATION W VOLUME THAT WALL DLSCIHARGE INTO SEDMENT BASIN AT APPROXIMATELY THE SAME RATE AS SEDIMENT BASIN DEWATERS THROUGH SKIMMER ZPA® �•� CHRY GENERIC SKIMMER SEDIMENT BASIN DETAILS FAIRCLOTH SKIMMER® DETAILS OPYF SSIp' <y.-- .•TDUKE BUCK BENEFICIAL ASH e SITE WORK " C 022 E & SC MEASURES SECTIONS 8. RETAILS • %�y� ) Ei oRi r� suurvw la lM HMua �. �L'��r� . 5�zg/zolg E-DO07836-STWSOOOOOF i2 2 A B C D E F G ,A r-..r IF A B C D E F H _ kHT MAX VARIABLE AS DIRECTED BY TIE ENGINEER I I I 74 I PLAMICOR is B WIRE TIES I I IBGA MIN LIME 1W RE5 �JL ■■■■■■■■�"� H !,77SILT fiSEWND fi - +L F. I� FENCE F�RIC INSTALLED TOlife WIRE FRCM TOP a MANTENANCE NOTES' INSPECT WEEKLY AND AFTER SIGNIFICANT (IT INCH OR GREATER) RAINFALL EVENTS. IMMEERA ELY MAKE ALL NEEDED REPAIRS, REMOVE SEDIMENT AS NECESSARY. STANDARD SILT FENCE EtEYATmM 12-1f2 GA MIN INTERMEDIATE WIRES �C4tADE SECTION 74 sD000B 3 FABRIC OI 16 I srl0000 3 E STAKE STARE � a: e 2a RLM SPE STAKE FRONT VIEW Top VIEW INSTALLATION NOTES'. MAINTENANCE NOTES: 1. USE 12' NOMINAL DIAMETER EXCELSIOR WATTLE. I. REMOVE mo DISPOSE OF SILT ACCUMLIATIOHS WHEN THE DEPTH REACHES ONE,HALF OF THE i. GXCAYIIS A T TO ITRENCH FOR WATTLE TO HEIGHT OF THE WATTLE. SE PLACED. 2. RE PLACE OR CLEAN THE WATTLE AS NEEDED TO 3 SECURE WATTLE TD THE BAIL WKNEWIRE ALLOW RUNOFF TO SLOWLY DEWAIER THROUGH 12'DViMETER STAPLESATV-OTMANDATNACIIEND. THE DEIBCEBETWEEN'RAYIEVENTB EIU'LiS10R WATTLE F USE3,4r WODIE.NSTAXESWDHAT.3' NOMINAL CROSS SECTION. 3- MONITOR THE WOODEN STAXES AND STAPLES TO ENSUNE TNAT THE WATTLE REMAINS SECURELY ANCHORED AFTER RAN EVENTS SECTION 76 S INSIµLAADNuIIRA OF Im UPSUIPE STAKES ANGFOUR DOWNSLOPC STMCS AT AN ANGLE 500E00 1O WEDGE WATTA E TO GRGUNO_ 11 TYPICAL WATTLE BREAK DETAILS MAILP DRAINAGE PIPE TQC EL 55'-0' N I- I SECTION s�000 4 HEALWµLB I DRAINAGE PIPE SECTION 19 SOfA1W BT I -Lit SIMNE VR RAILROAD BALLAST) CONSTRUCTION ENTRANCE FLAN 35'-0"MAN J&-v MIN C 0, r ROADWAY O DWA w AT1 WAY Z O �iw LLwu� c1laL�:} ,{{o`La88a wf �nle ++ =ICI ¢I ❑o�w II II`=IIIII= cco I�III llhl 1115IIIII—Illlla i a w I )III FABRIC UNDER 511 STONE MAWTENANCE NOTES: INSPECT WEEKLY AND AFTER SIGNIFICAM AIR INCH OR GREATER) RAINFALL EVENTS_ IMMEDIATELY MAKE ALL NEEDED REPARS- TOPDRESS WITH NEW STONE AS NECESSARY. SECTION ,s swcic 1] EST END PROTECTION AS NEEDED TO MAINTAIN FU HEIGHT PROTECTION TO NATLRAL GROUND OR FACE OF STRUCTURE NOTES, t. W STALL ROCK PIPE MET PROTECTION AT ANY CULVERT RECEIVING FLOW ACROSS. 2. STRUCTURAL STONE SHALL BE CLASS B RIPRAP, 3 SEDIMENT CONTROL STONE SHALL BE NO OR NO 57 STONE_ I. IIIMEN511INI ARE MINIMUM ACCEPTABLE UNLESS OTHERWISE SPECIFIED BY THE ENGINEER. 3T PIPE )MAR} MAINTENANCE NOTES. INSPECT WEEKLY AND ATTER SIGNFICANT SIR INCH OR GREATE RI RAINFALL EVENTS_ IMMEDIATELY MAKE ALL NEEDED REPAIRS REMOVE THE SEDIMENT ANORESTORE THE SEDIMENT STORAGE AREA TO HS ORKANAL COND{TION WHEN THE SEDIMENT IHNS ACC1MfIATED TO OW- FTHE DESIGAI DEPTH OF THE TRAP, REPLACE CONTAMINATED PART OF THE GRAVEL FACw1G. ROCK PIPE INLET PROTECTION MIN � SILT FENCE I cnlnrrl I MNNTENANCE NOTES: BRYET:T WEEIQYAt♦alV IER 9GNIF1CNf[ �1R IMCN O0. cowA GI�ATFJ!) RANFALL EYIEJ'IIS. 11NUEDUYEIr MAKE ALL NEEDm IAEYED r. Rt OF THE STONE N E F LfE REFUGE HIECES BNATm PlY[I OF IFS STONE FLYER AS lEflSSAilY. TOP OF Si LT FENCE MUST BE AT LEAST 1'AT ABOVE THE TOP OF THE WA5HEO STONE I !I II BURYCFETES• FLIER � FABRN;. .AN ANDITAImMlARE CLOTH IN TRENCH ISTE EL POST SETT 011 MMART 76' H10 SOLID CHtOUIm STANDARD SILT FENCE OUTLET STRUCTURAL SEDIMENT CONTROL STONE STONE AL F NATUR D SEDIMENT 1 STORAGE ZONE 4 2rrF I!-r.O• I _ 3V PIPE !MAXI \A N8+ SECTION s',, n STEEL POST WOVEN WIRE FABRIC RkUWARE CLOTH 1 FILTER OF FST WASHED STONE \ 2 r FILTER FABRI APK C APR OR OR GROUND 9L BVRY WIRE FENCE SURT, UPPER EDGE OF FILTERFABRIC APRON AND HARDWARE li IN TRENCH CLOTH u SECTION ro°olo i G7AQY1 Ail mm ISM 1 FORREFENENCEDRAWINGSSEES4EE701_ t ' DUKE ENERGY, ' BAB-1,438-00-0-300 I3 2 ZACHRY ..`.; 4�.a .�rohe�cne�`"N.�' .omasrw� DUKE BUCK BENEFICIAL ASH b SITE WORK E & SC MEASURES SECTIONS & DETAILS 1 C 1 0 7 1 1 0 1 G �"ir IE-D907836-STW500000 11d1 I I Beneficiation Stormwater Permits Proposal of General Permit No. NCG140000 July 24, 2018 Coal ash, specifically, fly ash is a major component of the concrete batch plant process DUKE ENERGY. `A concrete plant, also known as a batch plant or batching plant or a concrete batching plant, is equipment that combines various ingredients to form concrete. Some of these inputs include water, air, admixtures, sand, aggregate (rocks, gravel, etc.), fly ash, silica fume, slag, and cement. There are two main types of concrete plants: Dry mix plants and Wet mix plants, and also plants that contain both a transit mix side and a central mix side while utilizing common material storage points. A concrete plant can have a variety of parts and accessories, including: mixers (either tilt drum or horizontal or in some cases both), cement batchers, aggregate batchers, conveyors, radial stackers, aggregate bins, cement bins, heaters, chillers, cement silos, batch plant controls, and dust collectors". SOURCE: hups://en.wikipedia.org/wikijConcrete Plant Material Safety Data Sheet Information Supplier Data Sheet Amount Reference http://precast.org/wp- Concrete Supply Company 2 % by weight content/uploads/2013/05/Concrete- msds.pdf Buffalo Ridge Concrete, Inc. Percentage of mix: 1 to 25 http://www.buffa;oridgeconcrete.com /content/ BRC-SD 5-2014. pdf Fly Ash, containing the hazardous https://www.cemexusa.com/products- ingredients Calcium Oxide and Amorphous and-services/safety-data-sheets Cemex Silica listed above, is present as 0 - 35% of the product. BENEFICIATION FACILITY DESIGN (Buck, Cape Fear, and HF Lee) Best Management Practices: i Construct roads without ditches, allowing for sheet flow and preventing concentrated flow. Reducing impact to streams and wetlands Closed loop, water recycle system "''� Multiple t k wash systems: 1.) trucks leaving ash basin will exit through a wheel wash station, oaded trucks leaving the STAR units will exit facility through a truck rinse Sealed Loading System: product is loaded utilizing a sealed system with evacuated air filtered, preventing dusting and product loss. Product is handled in focused and controlled areas: loading in the ash basin for delivery to the facility, product storage in an enclosed dome, and loadout to trucks from the dome using a sealed system TIMELINE Buck will begin testing in 3rd quarter 2019. yar-11- A', 6t �,-95 k;lvt c r� 1 Z23 m1 k4 C2) ' ash )JS / 7A,olee c90 tie a-CZ�s ;U Les" a�rw.•e�7 INbR< l�+frtA✓ a 80-l'G -36�j 8�s2> /opj , -- p �•,ou c�'d'� �aela� �! � 0 Ate 5Lecazje,-e ep lei �u,1 O�j go*1� L/:Du7`-j /,I' "" ,jam mee�Ts5 j�Qae�sfi r�` 1�r 9'i - etc .�sc�cd (21 11 Ili gee- oiler I :24 oz- �— Q -j In ?/2rsse- t494- Co.," ila/a 17.* / -Permit No. NCS0o05= Monitoring'periodijz Sample Number Start End Continued Schedule 1 21 January 1, 2022 ' - . Renewal Obtained Footnotes: I Maintain quarterly monitoring until either another permit is issued for this facility or until this permit is revoked or rescinded. The permittee must submit an application for renewal of coverage before the submittal deadline (180 days before expiration) to be considered for renewed coverage under the permit. The permittee must continue analytical monitoring throughout the permit renewal process, even if a renewal permit is not issued until after expiration of this permit. 2 If no discharge occurs during the sampling period, th.e permittee must submit a monitoring report . indicating "No,Flow" or "No Discharge" within 30 days of the end of the sampling period. Failure to monitor per permit terms may result in the Division requiring monthly monitoring for all parameters for a specified time period. "No discharge" from an outfall during a monitoring period does not constitute failure to monitor, as -long as it is properly recorded and reported. The current NPDES Wastewater Permit NC0005363 requires the facility to conduct fish tissue monitoring once during that permit term for arsenic (As), seleniuin (Se), and mercury (Hg) in accordance with a Sampling Plan approved by the Division of Water Resources. The permittee shall submit a copy'of fish tissue monitoHbg results to'the DEMLR Stormwater Permitting Pro ra {Central Office) within 30 da s of r eivin result 72 in icate t e location of sampling in relation to stormwater discharge outfalls. This Ir ' reporting timeframe differs from the NPDES Wastewater Permit, which directs that fish tissue analysis results be submitted with the wastewater discharge permit renewal application. The permittee shall compare monitoring results to the benchmark values.in Table 3. Exceedances of benchmark values require the permittee to increase monitoring, increase •, management actions, increase record keeping, and/or install stormwater Best Management Practices (BMPs) in a tiered program. See the descriptions of Tier One, Tier Two, and Tier Three response actions below. In the event that the'Division releases the permittee from continued monthly monitoring and reporting under Tier Two or Tier Three, the Division's release letter may remain in effect through'sblisequent reissuance' of this permit, unless the _ L- release letter provides for'other conditions or duration. Table 3 Benchmark Values for Analvtical Monitoring ' Discharge Characteristics Units = Benchmark Antimony (Sb), Total Recoverable mg/L t 0.09 Arsenic (As), Total Recoverable mg/L 0.34 Beryllium (Be), Total Recoverable mg/L 0.065 'Cadmium (Cd), Total Recoverable'' ' ` mg/L 0.003 Chromium (Cr), Total Recoverable' mg f L 0.9 Copper (Cu), Total Recoverable' mg/L O.010 Part 11 Page 9 of 17 Riddle, Rick L From: Tollie, Lori White <Lori.Tollie@duke-energy.com> Sent: Wednesday, November 15, 2017 10:55 AM To: Georgoulias, Bethany; Riddle, Rick L Subject: [External] Buck CTCC & Buck Steam Station Drainage Map update Attachments: Buck [SW Plan_110617.pdf CAUTION: External email. Do not click links or open attachments unless verified. Send all suspicious email as an attachment to report.spam@nc.gov. Bethany & Rick, Attached is an updated comprehensive SW drainage map for both Buck facilities. I am currently working on an update to the Buck Steam Station ISW permit application to reflect this update. Please let me know if you have any questions or concerns. Thanks Duke Energy EHS CCP Permitting & Compliance 2500 Fairfax Road Greensboro, NC 27407 Cell: (336) 408-2591 Office: (336) 8544916 Riddle, Rick L From: Templeton, Mike Sent: Thursday, November 02, 2017 4:42 PM To: Munger, Bridget Cc: Riddle, Rick E_; Chernikov, Sergei; Poupart, Jeff; Grzyb, Julie; Rodriguez, Teresa Subject: RE: [External] Permit Application for Coal Ash Recycling at Buck? Bridget— We haven't received anything yet, but Shannon Langley is coming in tomorrow morning Friday) to brief Rick Riddle and me on their plans. — Mike T From: Chernikov, Sergei Sent: Thursday, November 02, 2017 2:56 PM To: Munger, Bridget <bridget.munger@ncdenr.gov>; Poupart, Jeff<jeff.poupart@ncdenr.gov>; Grzyb, Julie <julie.grzyb a ncdenr.gov>; Rodriguez, Teresa <Feresa.Rodriguez@ncdenr.gov>;: Templeton, Mike <►n i ke.templeton@ncdenr.gov> Subject: RE: [External] Permit Application for Coal Ash Recycling at Buck? Bridget, Mike has the Buck permit. He will respond to you, but I am not sure if they need a permit from NPDES. My understanding is that there will be no separate discharge of wastewater from recycling program. Sergei Sergei Chernikov, 11h.D. Environmental Engineer 11 Complex NPDES Permitting Unit Tel. 919-807-6386 Fax:919-807-6489 1617 Mail Service Center, Raleigh, NC 27699-1617 ' Express Mail: 512 N. Salisbury St., Raleigh, NC 27604 From: Munger, Bridget Sent: Thursday, November 02, 2017 2:49 PM To: Poupart, Jeff <ieff,poupart a,ncdenr.gov,>; Chernikov, Sergei <ser,Tei.chemikov ticdetir. Tov>; Grzyb, Julie <iLit ie,grzyb ri ncdcnr.gov>; Rodriguez, Teresa <Teresa.Rodritruez cr ncdenr. ov> Subject: FW: [Extcrnal] Permit Application for Coal Ash Recycling at Buck? Has DWR received an application from the SEFA Group or Duke regarding coal ash recycling at Buck? Thanks, Bridget Munger Public Information Officer N.C. Department of Environmental Quality 919-807-6363 office 919-207-7786 mobile bridget.mun4er(a)ncdenr.aov 1612 Mail Service Center Raleigh, NC 27699-1612 Euwii wrrespoodence to and from thisaddress is sol)ject to the North Carolina Public Records Law and may be disclosed to ihirri parties, Ll/,2q- pawe 0 Ak L� 176Z :rs161s II )) r #1 - o,4 coo cjae met 4 ewe. Ngz /at"� f, twi- J-4,54 Rom kq e- w tr4 - x a,64 low' 9t) 5 a 21 �L • ��• �.' .t 7M'•� � ', i. '�• ix� t F i��.�. 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J� r e,. �. :r ar. ,.a .-.� ". .- � '. Pa ..p h�`��'� - - ¢� •�.'�t"� ""� +Aed- yLr"`�-':La'day. .i' �� ..�. � .-' �`�., ,::C* ,� ��,- r; 1E x�mt �� �'-f.- `, 49� r p+,t r f . f�• ���-, � �p+._i ,5-�:.Y�x � •.�'. - ,,, . l• � x 'ice -i ., •f y'^a �'x w� �. �.°��'�.,+��,�., -t'" "!' a,.5;; r� , '.. r4a �' -.z, '�?2r"' ,r. k, � � ��7w;zyn _� s .?, �,� - y;� �. •r� �_: °¢.�#t1*. qs '�1w. k' �4' '� � �` �+, ,�a • r s � ''� l� }.. �i�. _ �'S +�n� e � ;�7- �" a..� ' �y��i``. k a` i' r iT, '4 • a �,Y 'l ��b ''� idF ,;' � a` 'Y Kf •' � � �. i. r ,� � �` ,- ��,,, � � is t ;�'��� � 5•sT .:�{, fµ["' . 1..r�. T• ` a 1 �, : w #, � �� t � `' -�,t �� �.r"�� � �. .r,t�.+«a+ :� r T'��'�: J�•i 7,y�{-r,. t.,•e �i � 9 r '� r, ti�S t'�.:Y+�s q, a;�� i.��y_ r _ •� i'"' r ^� �r. .ikr�t .��1 Qtr r;y�f �; .4 f �•'" x- y - ��` :!r i$�Y�nz� �� :3�' � L w.-.i � .� , `T ` 1'9 -F +3: - e�,;c$� � ..5�•£ � r :y �I �y� - 3 b a` a x, �. F aP,'"�' ��,}p�: y 4 � �,fy�yy � a'F' r w�, �s} CY w � ^ 4'.. fir'' � .:•� !. i -r,�iw .C' . i" L LEGEND r. Duke Property Boundary Buck Beneficiation Facility Boundary Topographic Quadrangle DATA SOURCE: Sa4sbury and Southmont 24K ; T000graphic Maps USA Topo Map GIS Service (20181 Ilk 0 Feet 1 500 F -1.3.. /0 e Or Q) . r . - Tra4er r __J I '; SSALISBURi W .4 1711 IVI%.:) 114 1 7' 0 AP W .00, Yadki; Ch Ch. .Trading 73� n Wo. 4f Ford m -It DUKE BUCK BENEFICIATION FACILITY 01 ENERGY NOTICE OF INTENT FIGURE 1 WTM " LT Al ANT 50 P 25 50 75 100 IV SCALE IN FEET u gl S! SI SI "pl of $I SI 2I of of of cl �I 3i i gi �I of ai �i zi zi �i �i �i z1 �i �i zi zi xi z1 �i z1 ii ---i---------------------------------------------------------------------------------------------------- I /i� + r? I E 5000,00 .- I-- I --------- I I --------------j--------------T---------------- -- ------ - -- -j- --- --'--T--------------(' 15 �p - --- ---- ------ ------J__1-_T__1-_1 �-i-1-- ------ T--- - - - - - - ----- - ---------j----------'-- -------------- r I I I •�I I I I I ; I I I 19 - --- - I `-' 7=T=,J C:_I__2-_CC=7 I O V f I O E------ ___.____L.-_____.___- - __-_- _. __ _.�_-__ - __��.-.5.-,.. .....-I .F...�+.� -. _ _ �.__-I_-_�.__-.-__I___.____-__-__1.-________.____-_____.__ _-- ___._____1__.___-_-____-l___._._.____-_L-_SZ-_-_ _ r�Q YYY � _________•�'___- I I -_- I OI-------- - I I I I I I 330 801 1 - 36i E 43o0-o0---f--I I I I 9 f L 31 I j 2T 2T 13 i -22- 1 3z _ -- - - - -- - I I 26 O4{O � •I 39 � _ ~ ' I - I I I I - ______________________I_______-_________I________= �.LLE ROAD ___________ _______,______ ________________ __________.{ _____.___________�I __________�__________________________! -------_ i----____-_ I I I `-------`-----'I----___-----`-7----------------`1 I I i g�IG I I I I I I I I t 1 LEGEND i� ►'+ �s 4e 1 II GENERAL NOTES a 1, ASRHANOLINGENCLOSURE -APPROXIMAIE ELEVATION TOC 724'(AREA 17) G/`[�L /�1N� t SREALL GRAVEL EXCEPTV ERE ASPHALT AND 2. Ex1ERNALNEATExCRANGER(EHEIAPPROXIMATEELEVAnONTOC11&(AREA15) ���[J W`�� CONCRETE 4RE iN0FCATEO. 3. GRINDING CIRCUIT- APPROXIMATE ELEVATION TOO T16'(AREA 19) PLAN�� rJj�(-,yf, 4. DUSTCOLLECT'CN (AREA IB) ' fir' %� (F.I �+Y `"lam f 5 eq 2. PLANT CO2RW MATES S. FEED SILO (AREA 20) I N t0P00:70 e. REACTOR- APPROXIMATE ELEVATION TOC 715'tAREA 20) E5000 IN 7, SCR ll SEER- APPROXIMATE ELEVATION TOC 71&(AREA 25) a. BAG HOUSE (AREA 25) L.3 3 J /Q 1 .�� �J�/�^ NC GRID Di-D 9 A STATE STEM COORDINATES 9. DOMESOR OUT_APPRpxIMATE EIF,VATION TOC TOO'tAREA d01 `�! v�. V N CGRID jNAD BYN1it SYSTEM 11. OFFIE STORAGE (AREA M N 159197647 11. OFFICE FGCNTRCL ROOM (AREA `AI 1 E 1591976.4TB 12. SHOP (AREA 50) �_-1`/ INAVC8 6 13- COMPRESSORS, UTILITY WATER (AREA 60) j, \ s,( EL •730,T3 It FIN FAN CODL-A 201(AREA701 J PRELIMINARY �V ) 15. PROPANE (AREA 201 `Y, i iii '�/tK'i'►�+ COOLING WATER EXPANSION TANK (AREA 701 17. 5ERVICE WATER STORAGE TANK 18. LCAD-0 THIT(AREA 4S) AS OF 813l201719. EXTERNAL IORERNFDELIV RYFORPERSILD(AREA16) NOT FOR CONSTRUCTION 19. EXTERNA HEAT DELIVERY FOR GER ER SILO 21, ASH TRUCK TURN AROUND, CONSTRUCTION PARKING ASH PARKING FOR OFFICE 23. CONTINUOUS EMISSION MONITORING SYSTEM{CEMSI(AREA 25) 24. WE1 25, CELL TOWER - EXISTING 26. POTENTIAL RETENSION7 DETENTION POND 27, TRANSFORMERS 25. REMO,E0 29. ASH TRUCK ACCESS ROAD 30. C RUC110N UY aOwn AREA 3t, TRUCK HATCH ACCESS PLATFORM (AREA60) 32. FIRE WATER TANK 33. O47wATER SEPARATOR IAREA 261 34. CONCRETE CATCH BASIN (AREA 17) 35. CONCRETE CONTAINMENT 36. TRUCK TURNAROUNO 37, MOTOR OPERATED GATE 36. PCC 39. LEAcH TE FIELD (AREA 26) aa. ING ASH SETTLVAULT (AREA 26) 41. SCRUBBER STACK(ARLA25) 42. EXISTING GUARD SHACK RETAINING WALL TOP INDICATOR BUTIOM CONCRETE ASPHALT SECURITY FENCE r� GUARDRAIL -s~ SLOPE BENCHMARK (SEE NOTE 43)